<script setup>
import { getCategoryFilterAPI } from '@/apis/category';
import{getSubCategoryAPI} from '@/apis/category';
import { onMounted } from 'vue';
import { ref } from 'vue';
import { useRoute } from 'vue-router';
import GoodsItem from '../Home/components/GoodsItem.vue'
// 获取分类筛选数据
const categoryData = ref({});
const route = useRoute();
const getCategoryData = async () => {
  const res = await getCategoryFilterAPI(route.params.id);
  categoryData.value = res.result;
}
onMounted(() => {getCategoryData()})

const goodsList= ref([]);
const reqData = ref({
  
  categoryId: route.params.id,
  page: 1,
  pageSize: 20,
  sortField: 'publishTime'
});
const getGoodsList = async () => {
  const res = await getSubCategoryAPI(reqData.value);
  console.log(res);
  goodsList.value = res.result.items;
}
onMounted(() => {getGoodsList()})

//tab回调
const tabChange=()=>{
  console.log('tab切换了', reqData.value.sortField);
  reqData.value.page = 1; // 重置页码
  
  getGoodsList();
}

//加载更多
const disabled = ref(false);
const load=async()=>{
    console.log('加载更多');
    reqData.value.page++
    const res = await getSubCategoryAPI(reqData.value);
    goodsList.value.push(...res.result.items);
    if (res.result.items.length === 0) {
        console.log('没有更多数据了');
        disabled.value = true; // 禁用加载更多
    }
}
</script>

<template>
    <div class="container ">
        <!-- 面包屑 -->
        <div class="bread-container">
            <el-breadcrumb separator=">">
                <el-breadcrumb-item :to="{ path: '/' }">首页</el-breadcrumb-item>
                <el-breadcrumb-item :to="{ path: `/category/${categoryData.parentId} ` }">{{ categoryData.parentName }}
                </el-breadcrumb-item>
                <el-breadcrumb-item>{{categoryData.name}}</el-breadcrumb-item>
            </el-breadcrumb>
        </div>
        <div class="sub-container">
            <el-tabs v-model="reqData.sortField" @tab-change="tabChange">
                <el-tab-pane label="最新商品" name="publishTime"></el-tab-pane>
                <el-tab-pane label="最高人气" name="orderNum"></el-tab-pane>
                <el-tab-pane label="评论最多" name="evaluateNum"></el-tab-pane>
            </el-tabs>
            <div class="body" v-infinite-scroll="load" :infine-scroll-disabled="disabled" >
                <!-- 商品列表-->
                <GoodsItem v-for="good in goodsList" :good="good" :key="good.id" />
            </div>
        </div>
    </div>
</template>



<style lang="scss" scoped>
.bread-container {
    padding: 25px 0;
    color: #666;
}

.sub-container {
    padding: 20px 10px;
    background-color: #fff;

    .body {
        display: flex;
        flex-wrap: wrap;
        padding: 0 10px;
    }

    .goods-item {
        display: block;
        width: 220px;
        margin-right: 20px;
        padding: 20px 30px;
        text-align: center;

        img {
            width: 160px;
            height: 160px;
        }

        p {
            padding-top: 10px;
        }

        .name {
            font-size: 16px;
        }

        .desc {
            color: #999;
            height: 29px;
        }

        .price {
            color: $priceColor;
            font-size: 20px;
        }
    }

    .pagination-container {
        margin-top: 20px;
        display: flex;
        justify-content: center;
    }


}
</style>
